Biology GCSE
hydrogencarbonate indicator colorimetry
What hydrogencarbonate indicator colorimetry means in Biology GCSE, as defined for OCR.
Definition of hydrogencarbonate indicator colorimetry
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Reference: OCR
Using hydrogencarbonate indicator enclosing pondweed or immobilised algae balls, which changes from red to purple as carbon dioxide is absorbed, providing a colorimetric measure of photosynthetic rate.
Topics that use hydrogencarbonate indicator colorimetry
- Photosynthesis (OCR GCSE)
Related terms
- axis scaling
- Biomass
- bubble counting
- Bunsen burner
- carbon dioxide concentration
- chlorophyll
- chloroplasts
- commercial applications
Using hydrogencarbonate indicator colorimetry in the exam
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